Totally Tiffany-Collection Keeper. Keep your coordinating papers, stickers, die-cuts and embellishments together! Organize an entire collection in on paper handler storage box (sold separately). This package contains three 12x12 inch double-sided collections keepers with one large 12x12 inch pocket on one side and three pockets on the other side measuring 6x12 inches, 6x7-1/2 inches and 6x4-1/2 inches.